#include<iostream>
using namespace std;

int gcd(int a,int b){
	return b?gcd(b,a%b):a; 
} 

int main(){
		int x,y;
	while(	cin>>x>>y;){
		int d=gcd(x,y);
		cout<<x*y/d<<endl;
	}
	return 0;
} 
